/*	$OpenBSD: ns_if.h,v 1.2 1996/03/04 08:20:25 niklas Exp $	*/
/*	$NetBSD: ns_if.h,v 1.8 1996/02/13 22:13:54 christos Exp $	*/

/*
 * Copyright (c) 1984, 1985, 1986, 1987, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)ns_if.h	8.1 (Berkeley) 6/10/93
 */

/*
 * Interface address, xerox version.  One of these structures
 * is allocated for each interface with an internet address.
 * The ifaddr structure contains the protocol-independent part
 * of the structure and is assumed to be first.
 */

struct ns_ifaddr {
	struct	ifaddr ia_ifa;		/* protocol-independent info */
#define	ia_ifp		ia_ifa.ifa_ifp
#define	ia_flags	ia_ifa.ifa_flags
	TAILQ_ENTRY(ns_ifaddr) ia_list;	/* list of xerox addresses */
	struct	sockaddr_ns ia_addr;	/* reserve space for my address */
	struct	sockaddr_ns ia_dstaddr;	/* space for my broadcast address */
#define ia_broadaddr	ia_dstaddr
	struct	sockaddr_ns ia_netmask;	/* space for my network mask */
};

struct	ns_aliasreq {
	char	ifra_name[IFNAMSIZ];		/* if name, e.g. "en0" */
	struct	sockaddr_ns ifra_addr;
	struct	sockaddr_ns ifra_dstaddr;
#define ifra_broadaddr ifra_dstaddr
};
/*
 * Given a pointer to an ns_ifaddr (ifaddr),
 * return a pointer to the addr as a sockadd_ns.
 */

#define	IA_SNS(ia) (&(((struct ns_ifaddr *)(ia))->ia_addr))

/* This is not the right place for this but where is? */
#define	ETHERTYPE_NS	0x0600

#ifdef	NSIP
struct nsip_req {
	struct sockaddr rq_ns;	/* must be ns format destination */
	struct sockaddr rq_ip;	/* must be ip format gateway */
	short rq_flags;
};
#endif

#ifdef	_KERNEL
TAILQ_HEAD(ns_ifaddrhead, ns_ifaddr);
extern	struct	ns_ifaddrhead ns_ifaddr;
extern	struct	ifqueue	nsintrq;	/* XNS input packet queue */
#endif